OFFICIAL CAMPAIGN FILE

NHTSA campaign 21V391000

NHTSA campaign 21V391000 covers 41 published year-and-model reports from 2 makes in this index and lists 612 potentially affected units campaign-wide. VIN eligibility must be checked separately.

Report received May 26, 2021 · Snapshot September 21, 2026

01 / DEFECT RECORD

What NHTSA campaign 21V391000 says

NHTSA campaign 21V391000 identifies FUEL SYSTEM, DIESEL and states that A fuel leak in the presence of an ignition source increases the risk of a fire.

Defect summary

PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Consequence summary

A fuel leak in the presence of an ignition source increases the risk of a fire.

02 / CORRECTIVE ACTION

Remedy for NHTSA campaign 21V391000

For NHTSA campaign 21V391000, the filed corrective action says: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.

Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1-425-828-5888 (Kenworth) or 1-940-591-4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.

Owner notification: July 30, 2021
Filing manufacturer: PACCAR Incorporated
Component groups: FUEL SYSTEM, DIESEL

03 / PUBLISHED VEHICLES

Vehicles listed under NHTSA campaign 21V391000

RecallRoad links 41 year-and-model reports associated with NHTSA campaign 21V391000; the list reflects published source rows, not individual VIN coverage.